blob: 5c802c902baaa3eeefb119c848bb562a205d7aa3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* SPDX-License-Identifier: NIST-PD */
/*
* Pareto distribution table generator
* Taken from the uncopyrighted NISTnet code.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <limits.h>
#include <linux/types.h>
#include <linux/pkt_sched.h>
static const double a=3.0;
#define TABLESIZE 16384
#define TABLEFACTOR NETEM_DIST_SCALE
int
main(int argc, char **argv)
{
int i, n;
double dvalue;
printf("# This is the distribution table for the pareto distribution.\n");
for (i = 65536, n = 0; i > 0; i -= 16) {
dvalue = (double)i/(double)65536;
dvalue = 1.0/pow(dvalue, 1.0/a);
dvalue -= 1.5;
dvalue *= (4.0/3.0)*(double)TABLEFACTOR;
if (dvalue > 32767)
dvalue = 32767;
printf(" %d", (int)rint(dvalue));
if (++n == 8) {
putchar('\n');
n = 0;
}
}
return 0;
}
|
